HomeCompare fishClown barb vs Northern trout gudgeon Clown barb vs Northern trout gudgeon: can they live together? Verdict: With cautionThe Northern trout gudgeon can be semi-aggressive or nip fins.Both are comfortable at 24–26°C (75–79°F).A pH of 6.0–7.0 suits both.Minimum tank for the pair: 150 L (40 US gal)Side by sideClown barbNorthern trout gudgeonAdult size14 cm (5.5 in)17.5 cm (6.9 in)Minimum tank75 L (20 US gal)150 L (40 US gal)Temperature24–28°C (75–82°F)24–26°C (75–79°F)pH6.0–7.06.0–7.8Hardness7–17 dGH (125–303 ppm)–TemperamentPeacefulSemi-aggressiveCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreOmnivoreSpecies profilesClown barbPuntius everettiNorthern trout gudgeonMogurnda mogurnda